520 Trail Grade Separation

Project Overview:  Washington State has provided funds to grade separate the 520 Trail from vehicles at NE 40th Street. The project will add a tunnel underneath 40th Street near the westbound 520 ramps and install access to/from 40th Street to the new tunnel.

Public Open House:  A public open house will take place on Wednesday, April 12 from 5-7 p.m. We invite you to attend to learn more about the project and provide feedback.

Project Location: The 520 Trail at NE 40th Street

520 Trail Grade Project Map

Project Phase: Design

Estimated Timeline: Construction is anticipated to begin in Spring 2018.

Project Manager: Peter Dane may be reached at 425-556-2816 or pbdane@redmond.gov

Page Last Updated: 3/20/17